package ch2;

import java.util.Scanner;

public class Ex4 {
    public static void main(String[] args) {
        Scanner console = new Scanner(System.in);
        System.out.println("输入一个以磅为单位的数字：");
        double c = console.nextDouble();
        System.out.println(c + "磅" + (c * 0.454) + "公斤");
    }
}
